Home / 40,055.44-60,112.72-18,995.55

Finding the Fourth Proportional to 40,055.44, 60,112.72 and 18,995.55

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Solution

The fourth proportional to 40,055.44, 60,112.72 and 18,995.55 is: 28,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.44 : 60,112.72 = 18,995.55 : x
  2. Step 2: Convert to fraction form
    40,055.44/60,112.72 = 18,995.55/x
  3. Step 3: Cross multiply
    40,055.44x = 60,112.72 × 18,995.55
  4. Step 4: Simplify right side
    40,055.44x = 1,141,874,178.40
  5. Step 5: Solve for x
    x = 1,141,874,178.40/40,055.44
  6. Step 6: Final answer
    x = 28,507.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.